conky-config/drawing/readwrite.lua

68 lines
2.0 KiB
Lua

local format = require 'format'
local pure = require 'pure'
local sys = require 'sys'
return function(update_freq, config, common, width, point)
local PLOT_SEC_BREAK = 20
local PLOT_HEIGHT = 56
-- TODO currently this will find any block device
local DEVICE_PATHS = sys.get_disk_paths(config.devices)
local state = {read = 0, write = 0}
state.read, state.write = sys.get_total_disk_io(DEVICE_PATHS)
local format_value_function = function(bps)
local unit, value = format.convert_data_val(bps)
return format.precision_round_to_string(value, 3)..' '..unit..'B/s'
end
-----------------------------------------------------------------------------
-- r/w plots
local mk_plot = function(label, key, y)
local obj = common.make_rate_timeseries(
point.x,
y,
width,
PLOT_HEIGHT,
format_value_function,
common.converted_y_label_format_generator('B'),
PLOT_SEC_BREAK,
label,
2,
update_freq,
state[key]
)
return common.mk_acc(
-- TODO construct this more sanely without referring to hardcoded vars
width,
PLOT_HEIGHT + PLOT_SEC_BREAK,
function() common.update_rate_timeseries(obj, state[key]) end,
pure.partial(common.tagged_scaled_timeseries_draw_static, obj),
pure.partial(common.tagged_scaled_timeseries_draw_dynamic, obj)
)
end
local mk_reads = pure.partial(mk_plot, 'Reads', 'read')
local mk_writes = pure.partial(mk_plot, 'Writes', 'write')
-----------------------------------------------------------------------------
-- main drawing functions
return {
header = 'INPUT / OUTPUT',
point = point,
width = width,
update_wrapper = function(f)
return function(_)
state.read, state.write = sys.get_total_disk_io(DEVICE_PATHS)
f()
end
end,
top = {
{mk_reads, true, PLOT_SEC_BREAK},
{mk_writes, true, 0},
}
}
end